first introduction, Shin is generally friendly but a bit standoffish and introduces himself as Sou Hiyori. He's secretive due to being distrustful of the other participants. Despite this, he helps everyone discover secrets about where they're trapped. Shin is canny and intelligent, but due to his suspicious nature, he has a habit of jumping to negative conclusions, especially in regards to Sara. He’s smart, but also a little paranoid and very desperate to ensure his own survival.